Question
Question: A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown in the fig...
A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown in the figure. The metal X has a higher coefficient of expansion as compared to that for metal Y. When the bimetallic strip is placed in a cold bath ?
A
It will bend towards the right
B
It will bend towards the left
C
It will not bend but shrink
D
It will neither bend nor shrink
Answer
It will bend towards the left
Explanation
Solution
As, ax > ay then on colling X contracts more than Y. So, the strip bends towards X, i.e., towards left.